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2. Nickel–metal hydride battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–metal_hydride_battery

   The cost of lithium batteries fell drastically during the 2010s and many small consumer devices now have non-consumer-replaceable lithium batteries as a result. Lithium batteries produce a higher voltage (3.2–3.7 V nominal), and are thus not a drop-in replacement for AA (alkaline or NiMh) batteries without circuitry to reduce voltage.

3. Nine-volt battery - Wikipedia

   en.wikipedia.org/wiki/Nine-volt_battery

   Modern batteries have higher capacities and lower internal resistances than early versions. [citation needed] Before the mid-1950s, in the days of vacuum tube (valve) radios used batteries designed specifically for vacuum tubes, there was a nine-volt grid bias battery or (US) "C" battery, which had taps for various voltages from 1.5 to 9 volts.

4. B&M - Wikipedia

   en.wikipedia.org/wiki/B&M

   B&M Retail Limited, trading as B&M, is a British multinational variety store and garden centre chain founded in 1978 and based in Speke. It is listed on the London Stock Exchange , and is a constituent of the FTSE 250 Index .

5. Supercapacitor - Wikipedia

   en.wikipedia.org/wiki/Supercapacitor

   The electrochemical charge storage mechanisms in solid media can be roughly (there is an overlap in some systems) classified into 3 types: Electrostatic double-layer capacitors (EDLCs) use carbon electrodes or derivatives with much higher electrostatic double-layer capacitance than electrochemical pseudocapacitance, achieving separation of charge in a Helmholtz double layer at the interface ...

6. Laptop - Wikipedia

   en.wikipedia.org/wiki/Laptop

   Innovations in laptops and batteries have seen situations in which the battery can provide up to 24 hours of continued operation, assuming average power consumption levels. An example is the HP EliteBook 6930p when used with its ultra-capacity battery. [60]

7. List of Nike missile sites - Wikipedia

   en.wikipedia.org/wiki/List_of_Nike_missile_sites

   The following is a list of Nike missile sites operated by the United States Army.This article lists sites in the United States, most responsible to Army Air Defense Command; however, the Army also deployed Nike missiles to Europe as part of the NATO alliance, with sites being operated by both American and European military forces.